xylophone.cpp: In function 'void solve()':
xylophone.cpp:31:16: error: 'N' was not declared in this scope
31 | while(j <= N){
| ^
xylophone.cpp:38:16: error: 'N' was not declared in this scope
38 | while(k <= N){
| ^
xylophone.cpp:57:18: error: 'N' was not declared in this scope
57 | if(cnt > N) break;
| ^
xylophone.cpp:59:29: error: 'N' was not declared in this scope
59 | for(int j = 1; j <= N - 1; j++){
| ^
xylophone.cpp:63:20: error: 'N' was not declared in this scope
63 | foru(j, 0, N - 1){
| ^
xylophone.cpp:14:43: note: in definition of macro 'foru'
14 | #define foru(i, a, b) for(int i = a; i <= b; ++i)
| ^
xylophone.cpp:75:18: error: 'N' was not declared in this scope
75 | if(cnt > N) break;
| ^
xylophone.cpp:76:29: error: 'N' was not declared in this scope
76 | for(int j = 1; j <= N - 1; j++){
| ^
xylophone.cpp:81:20: error: 'N' was not declared in this scope
81 | foru(j, 0, N - 1){
| ^
xylophone.cpp:14:43: note: in definition of macro 'foru'
14 | #define foru(i, a, b) for(int i = a; i <= b; ++i)
| ^
xylophone.cpp:89:16: error: 'N' was not declared in this scope
89 | foru(j, 0, N - 1) answer(j + 1, ans[j]);
| ^
xylophone.cpp:14:43: note: in definition of macro 'foru'
14 | #define foru(i, a, b) for(int i = a; i <= b; ++i)
| ^